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74VHC221A Datenblatt(PDF) 5 Page - Fairchild Semiconductor

Teilenummer 74VHC221A
Bauteilbeschribung  Dual Non-Retriggerable Monostable Multivibrator
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Hersteller  FAIRCHILD [Fairchild Semiconductor]
Direct Link  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

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AC Electrical Characteristics (Note 6)
Note 5: CPD is defined as the value of the internal equivalent capacitance which is calculated from the operating current consumption without load. Average
operating current can be obtained by the equation:
ICC (opr.) = CPD*VCC*fIN+ ICC
1*Duty/100
+ I
CC/2 (per Circuit)
ICC
1: Active Supply Current
Duty: %
Note 6: Refer to 74VHC221A Timing Chart.
AC Operating Requirement
Symbol
Parameter
VCC
(V)
TA = 25°CTA = −40°C to +85°C
Units
Conditions
Min
Typ
Max
Min
Max
tPLH
Propagation Delay Time
3.3
± 0.3
13.4
20.6
1.0
24.0
ns
CL = 15 pF
tPHL
(A, B–Q, Q)
15.9
24.1
1.0
27.5
CL = 50 pF
5.0
± 0.5
8.1
12.0
1.0
14.0
ns
CL = 15 pF
9.6
14.0
1.0
16.0
CL = 50 pF
tPLH
Propagation Delay Time
3.3
± 0.3
14.5
22.4
1.0
26.0
ns
CL = 15 pF
tPHL
(CLR Trigger—Q, Q)
17.0
25.9
1.0
29.5
CL = 50 pF
5.0
± 0.5
8.7
12.9
1.0
15.0
ns
CL = 15 pF
10.2
14.9
1.0
17.0
CL = 50 pF
tPLH
Propagation Delay Time
3.3
± 0.3
10.3
15.8
1.0
18.5
ns
CL = 15 pF
tPHL
(CLR—Q, Q)
12.8
19.3
1.0
22.0
CL = 50 pF
5.0
± 0.5
6.3
9.4
1.0
11.0
ns
CL = 15 pF
7.811.41.0
13.0
CL = 50 pF
tWOUT
Output Pulse Width
2.0
415
CX = 28 pF
3.3
± 0.3
345
ns
CL = 50 pF RX = 6 kΩ
5.0
± 0.5
312
3.3
± 0.3
160
240
300
ns
CL = 50 pF Cx = 28 pF
5.0
± 0.5
133
200
240
Rx
= 2 kΩ
3.3
± 0.3
90
100
110
90
110
µs
CL = 50 pF Cx = 0.01 µF
5.0
± 0.5
90
100
110
90
110
Rx
= 10 kΩ
3.3
± 0.3
0.9
1.0
1.1
0.9
1.1
ms
CL = 50 pF Cx = 0.1 µF
5.0
± 0.5
0.9
1.0
1.1
0.9
1.1
Rx
= 10 kΩ
∆t
wOUT
Output Pulse Width Error
Between Circuits
±1%
(In same Package)
CIN
Input Capacitance
4
10
10
pF
VCC = Open
CPD
Power Dissipation
73
pF
(Note 5)
Capacitance
Symbol
Parameter
VCC
(V)
TA = 25°CTA = −40°C to +85°C
Units
Min
Typ
Max
Min
Max
tW(L)
Minimum Trigger
3.3
5.0
5.0
ns
tW(H)
Pulse Width
5.0
5.0
5.0
tW(L)
Minimum Clear
3.3
5.0
5.0
ns
Pulse Width
5.0
5.0
5.0


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